Putting into production an engine with a variable-compression ratio has been an elusive goal since the first patent for one was filed in 1928. Now, after nearly 100 years of failed experiments and ...

Japanese automakers Mazda and Toyota, among other brands, have been working hard on furthering efficiency without sacrificing performance or power. The SkyActiv engine was introduced in 2010 and ...

Justin Pritchard is a seasoned Sudbury, Ontario-based automotive journalist, producer, and technical writer. With a passion for cars and a talent for storytelling, he's established himself as a ...

In a conventional piston engine, the compression ratio defines the relationship between the largest and smallest volume of a cylinder - when its piston is at bottom dead centre and top dead centre ...

The craftsmanship of Mazda’s award-winning engineers speak far louder to brainiacs than any generic spec sheet can.